Home / 123,113.26-184,670.09-70,486.35

Finding the Fourth Proportional to 123,113.26, 184,670.09 and 70,486.35

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Solution

The fourth proportional to 123,113.26, 184,670.09 and 70,486.35 is: 105,729.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,113.26 : 184,670.09 = 70,486.35 : x
  2. Step 2: Convert to fraction form
    123,113.26/184,670.09 = 70,486.35/x
  3. Step 3: Cross multiply
    123,113.26x = 184,670.09 × 70,486.35
  4. Step 4: Simplify right side
    123,113.26x = 13,016,720,598.27
  5. Step 5: Solve for x
    x = 13,016,720,598.27/123,113.26
  6. Step 6: Final answer
    x = 105,729.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.